Add IEC958 status bits support to SB-XFi.conf

Signed-off-by: Takashi Iwai <tiwai@suse.de>

src/conf/cards/SB-XFi.conf

@@ -79,8 +79,32 @@ SB-XFi.pcm.iec958.0 {
 	@args.AES3 {
 		type integer
 	}
-	type hw
-	card $CARD
-	device 4
-	# FIXME: AES status bits
+	type asym
+	playback.pcm {
+		type hooks
+		slave.pcm {
+			type hw
+			card $CARD
+			device 4
+		}
+		hooks.0 {
+			type ctl_elems
+			hook_args [
+			{
+				interface PCM
+				name "IEC958 Playback PCM Stream"
+				device 4
+				lock true
+				preserve true
+				value [ $AES0 $AES1 $AES2 $AES3 ]
+			}
+			]
+		}
+	}
+	capture.pcm {
+		type hw
+		card $CARD
+		device 4
+	}
+	hint.device 4
 }